Observation 176092: Scleroderma citrinum Pers.
When: 2014-09-02
20.6388° -98.6012° 2000m
No herbarium specimen
0 Sequences

Notes:
Under oak.

Alonso says this is Scleroderma citrinum due to the reticulate spores. He also says that he has never seen this species under oak before.

Spore statistics (measurements do not include the reticulation)

10.1 [11.5 ; 12.4] 13.7 × 9.7 [10.8 ; 11.5] 12.5 µm
Q = [1 ; 1.1] 1.2 ; N = 15 ; C = 95%
Me = 11.9 × 11.1 µm ; Qe = 1.1

12.83 12.44
10.86 10.43
11.37 11.22
10.36 10.28
12.54 11.86
12.03 11.40
12.37 10.93
10.65 10.07
12.92 11.98
10.70 10.65
12.91 11.30
12.38 11.78
12.35 10.08
11.76 10.90
12.69 11.52

Images

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natural light
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With flash
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With flash
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Spores 400x
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Spores 400x
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Spores 1000x
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Spores 1000x

Proposed Names

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

Add Comment
Spores match S. citrinum, Alan.
By: Daniel B. Wheeler (Tuberale)
2014-09-03 21:09:16 EDT (-0400)

In Arora, spores are described as round, reticulate, 7-13 microns. The only variation is in how the sporocarp peels back from the top, a feature I personally have not seen before.

Also S. citrinum
By: Daniel B. Wheeler (Tuberale)
2014-09-03 16:22:56 EDT (-0400)

due to peridium warts taller than 2mm, according to Kuo.

In Oregon, S. citrinum is uncommon under oak, although I have seen it there at least twice. Then again, oak is not all that common in Oregon: more common south of Eugene.

More interesting to me is the way this obs. cracked at the top, and folds outward, like what used to be called Scleroderma geaster. The prominent peridium warts deny S. geaster as a possibility, though.

Created: 2014-09-03 15:18:48 EDT (-0400)
Last modified: 2015-05-05 12:13:10 EDT (-0400)
Viewed: 98 times, last viewed: 2017-10-11 10:42:36 EDT (-0400)
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